﻿// (c) Copyright Ascensio System SIA 2010-2022
//
// This program is a free software product.
// You can redistribute it and/or modify it under the terms
// of the GNU Affero General Public License (AGPL) version 3 as published by the Free Software
// Foundation. In accordance with Section 7(a) of the GNU AGPL its Section 15 shall be amended
// to the effect that Ascensio System SIA expressly excludes the warranty of non-infringement of
// any third-party rights.
//
// This program is distributed WITHOUT ANY WARRANTY, without even the implied warranty
// of MERCHANTABILITY or FITNESS FOR A PARTICULAR  PURPOSE. For details, see
// the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
//
// You can contact Ascensio System SIA at Lubanas st. 125a-25, Riga, Latvia, EU, LV-1021.
//
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// display Appropriate Legal Notices, as required under Section 5 of the GNU AGPL version 3.
//
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// distributing the program. Pursuant to Section 7(e) we decline to grant you any rights under
// trademark law for use of our trademarks.
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// All the Product's GUI elements, including illustrations and icon sets, as well as technical writing
// content are licensed under the terms of the Creative Commons Attribution-ShareAlike 4.0
// International. See the License terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode

namespace ASC.Core.Common.Security;

public abstract class SecurityObject : ISecurityObject
{
    public object SecurityId { get; protected set; }
    public Type ObjectType { get; protected set; }
    public string FullId { get; protected set; }
    public bool InheritSupported { get; protected set; }
    public bool ObjectRolesSupported { get; protected set; }

    public virtual IEnumerable<IRole> GetObjectRoles(ISubject account, ISecurityObjectId objectId, SecurityCallContext callContext)
    {
        return null;
    }

    public virtual ISecurityObjectId InheritFrom(ISecurityObjectId objectId)
    {
        return null;
    }

    public bool IsMatchDefaultRules(ISubject subject, IAction action, IRoleProvider roleProvider)
    {
        var subjectRoles = roleProvider.GetRoles(subject);
        var targetRoles = GetTargetRoles(roleProvider);

        foreach (var subjectRole in subjectRoles)
        {
            if (Security.Rules.TryGetValue(subjectRole.ID, out var value))
            {
                foreach (var targetRole in targetRoles)
                {
                    if (value.TryGetValue(targetRole.ID, out var value1))
                    {
                        var act = new Rule(action.ID, GetRuleData());
                        if (value1.Contains(act))
                        {
                            return true;
                        }
                    }
                }
            }
        }

        return false;
    }

    protected abstract IEnumerable<IRole> GetTargetRoles(IRoleProvider roleProvider);
    protected abstract IRuleData GetRuleData();
}